Almost in a center an enormous mainland Eurasia is a narrow blue half moon is a lake Baikal. In the Baikal mountain area, surrounded from every quarter high backbones, it was stretched on 636 kilometres of length and to 80 km of width. 336 permanent rivers and brooks fall to Baikal, here half of volume of water, entering lake, Selenga brings. The unique river - Angara follows from Baikal. Undoubtedly, Baikal is the deepest lake in the world. There are 30 islands on Baikal, the largest is an island